Gromet-inserting machine.



J. C. BLEVNEY'.

GROMET INSERTING MACHINE.

APPLICATION FILED NOV. 10' 1913.

Patented Apr. 6, 1915.

6 SHEETBSHEET 1.

THE NORRIS PETERS CO.. PHOTC-LITH OH WASHINGTON D. C.

J. C. BLEVNEY.

GROMET INSERTING MACHINE.

APPLICATION FILED NOV. 10. 1913.

Patented Apr. 6, 1915.

8 BHEETSSHEET 2.

INVENTOR ATTORNEYS 1 Q Q B m Y g Q p g Q a, l Ii Q L mw m 8 g 1 Q 1 m pQ mwhh n MN NW6 U B fix I 9 m Gm w R W \m L; m, l Q mm Q Q Q 1 N m m M aTHE NORRIS PETERS co., PHOTO-LITHQ, WASHINGTON D. r

J. c. BLEVNEY.

GROMET INSERTING MACHINE.

APP IC l, 1 34,507, P n ed Apr. 6, 1915. 5 EEEEEEEEEEEE 6- ATTORNEYS UTSTATE% JOHN C. BLEVNEY, 0F NEVTARK, NEW JERSEY.

GROMET-INSERTING MAGHINE.

Application filed November 10, 1913.

To all whom it may concern Be it known that I, JOHN C. BLEVNEY, acitizen of the United States, residing at Newark, in the county of Essexand State of New ersey, have invented certain new and usefulImprovements in Gromet-Inserting Machines; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it apperms tomake and use the same, reference being had to the accompanying drawings,and to characters of reference marked thereon, which form a part of thisspecification.

This invention has reference, generally, to improvements ingromet-inserting machinery; and the present invention has for itsprincipal object to provide an eflicient. quickly and easily operatedmechanism of simple construction adapted to insert within the ends ofhollow rods or tubes, of any desirable cross sectional configuration,and securely fasten therein gromets desired to be associated therewith.

The present invention provides an automatic machine which isparticularly adapted for use in the manufacture of metal beds andfurniture which are composed of a number of hollow rods or tubesassembled together to produce the bed or furniture parts. lhe grometsare inserted and fastened within the ends of said tubes to close andstiffen the ends of-the same, and to afforo means for receiving thefastening devices, such as screws and the like, whereby the said tubesare secured together in their assembled relation. Heretofore the methodsand means for thus inserting gromets in such tubes have been crude andunsatisfactory, embracing both hand and machine operations requiringmuch time and the employment of many skilled workmen making theoperation comparatively expensive, and yet resulting in veryunsatisfactory finished work. The problem has been to do this class ofwork quickly, cheaply and accurately, and as far as possibleautomatically, thereby obviating the necessity of skilled labor, and theconsumption of time which so increased the expense of the operation. Thepresent invention provides a mechanism which solves this problem, andwhich easily, quickly and accurately inserts and secures the gromets inboth ends of the tube at once without unequally bulging the ends of thetube, and without fracturing Specification of Letters Patent.

Fatented Apr. 6, 1915.

Serial No. 800,046.

or' breaking the same, or otherwise weakening its structure, at the sametime assuring a proper accurate setting, and perma nent fastening of thegromet so that the same extends properly at right angles to the axis ofthe tube. The said machine being so constructed that it operatesautomatically to produce these results, being of such ease andsimplicity of operation that unskilled labor or boys may easily feed andoperate the same.

The various specific objects of the present invention not at this timemore particularly enumerated will be clearly understood from thefollowing detailed description of this invention.

With the objects of the present invention in view, the said inventionconsists, primarily, in the novel gromet-inserting machine hereinafterset forth; and the invention consists, furthermore, in the novelarrangements and combinations of the several devices and parts, as wellas in the details of the construction of the same, all of which will bemore fully described in detail in the following specification, and thenfinally embodied in the clauses of the claim which are appended to andwhich form an essential part of the said specification.

The invention is clearly illustrated in the accompanying drawings, inwhich Figure 1 is a side elevation of the novel gromet-inscrting machinemade according to and embodying the principles of the present invention.Fig. 2 is a plan view of the same drawn upon an enlarged scale, withportions of the supporting frame-work broken away so as to bring withinthe limits of the figure the essential working parts of the machine.Fig. 3 is a detail cross section taken on line 33 in said Fig. 1 lookingin the direction of the arrow 00. Fig. 4 is another detail cross sectiontaken on line H in said Fig. 1, also looking in the direction of thearrow m. Fig. 5 is a detail rear-side view of the right die-head of themachine, the bed or frame-work upon which the same is mounted beingshown in section. Fig. 6 is an enlarged detail longitudinal section ofsaid right die-head, taken on line 6-6 in said Fig. i looking in thedirection of the arrow 3 Fig. 7 is a transverse section of said rightdie-head taken on line 77 in said Fig. 6, looking in the direction ofthe arrow 2. Figs. 8, 9 and 10 are detail views similar to that shown inFig. 6, but each showing the internal working parts of said die-headperforming one.

of the several stages of the gromet inserting operation. Fig. 11 is adetail longitudinal section of certain parts of the power transmissionmechanism of the machine, said section being taken on line 1111 in saidFig. 2 looking in the direction of the arrow a. Fig. 12 is an enlargedtransverse section of the same taken on line 1212.in

' said Fig. 11; Fig. 13 is another transverse sectionon the same takenon line 1313 in said Fig. 11; and Fig. 14 is still another transversesection of the same taken on line 1414 in said Fig. 11; the view pointof all of said'views being in the direction of the arrow 6.

Similar characters of reference are employed in all of the abovedescribed views which aremounted the operating parts of to indicatecorresponding parts.

Referring now to the. several. figures of the drawings, the referencecharacter 1 indicates a suitable frame-work or base upon the novelgromet-inserting machine. Suitably secured at each end of saidframe-work or base 1, in proper locations, are the left bearing-bracketand the right bearingbracket 3, inrwhich is journaled a longitudinallyextending driving shaft 4. The upper supporting surface of saidframework or base 1 is provided with alongitudinally extendinggroove orchannel 5.

-Mounted upon said supporting surface of said frame-work or base 1 are aleft diehead 6 and a right die-head? 'Since the internal structure anddetail parts of both said left die-head and right die-head arethe' same,the same reference letters will be employed to indicate said parts, sothat adescription. of one die-head will suffice for both. Where,however, there are differences or additions in their construction thesame will be pointed out and described. Each die-head is provided with abase-plate 8 having upon its under side a longitudinal rib' or guide 9which enters said groove or.

channel 5 of said frame-work or base 1 so as to "maintain the same inproper alinement thereon. The said left die-head 6 is secured in a fixedor stationary position at the left end of the frame-work or base bymeans i anti friction Each die-head is provided in itsface with anannular chamber or recess 15 in which is securely fixed againstmovement, by means of a key 16, a cam-ring 17, provided upon its innerperiphery with a series of camsurfaces 18. Extending rearwardly fromsaid annular chamber or recess 15 is another chamber or recess 19 ofsmaller diameter in which is rotatably mounted a diecarrier 20, the hubportion 21 of whichea tends rearwardly through the opening 22 at therear end of said die-head." Said diecarrier is provided-in its face witha cen trally disposed recess 23 from which radiate a series of grooves24. Slidably mounted in said grooves 24 are a series of crimping-diemembers 25, the outer ends of which are maintained in contact with saidcam-sure faces 18,0f said cam-ring 17.. Formed said dieba-rrier 20, soas to communicate with thebottom of each of saidfradiating grooves 24,area series of spring-sockets 26 in which are arranged U-shaped springmembers 27, one arm of each ,spring-mem-' ber entering a receivingrecess 28 in the back of each crimping-die member 25, the tension ofsaid spring-members tend ng to maintain the'die-members in contact withsaid cam-surfaces 18v of the cam ring 17. The said crimping-die membersas thus mounted tend to converge toward the center or axis of saiddie-carrier. T he inner ends of said die-members 25 are formed with thecrimping points 29 to the rearward of which are'stop projections 30. Akeeperplate 100 provided with a centrally disposed o )enin 101 is arraned with each de-h'ead' so as to cover the body of said die-members 25 toprevent the same from springing away from their'operative relation tosaid die-- carrier 20 and said cam-ring 17. The periphery of saidkeeper-plate 101 is engaged by the heads of retaining screws 102 wherebythe same is secured in place. VVhen it is desired to remove saidkeeper-plate 101 the same is turned to register the notches .or

cutaway portions 103, with which its periphery is provided, so that thesame may be removed past said screwheads. Secured upon the rearwardlyprojecting hub-portion 21 of said die-carrier 20 is a lever-arm 31, thefree end of which is forked so that an therein. V

Mounted upon said driving-shaft 4 is a cam-member 33 provided with apair of cam-portions 34 and 35, the former of'which is of greater pitchthan the latter. "Said anti-friction roller 32 is of sufficient width toengage but one of said cam-portionsat a time. As shown in the drawingssaid antifriction roller engages operatively the camportion 34 havingthe larger pitch, hence when the machine is in operation, saidcamportion 34 gives a maximum throw to said roller 32 may be journaledlever-arm 31, thereby turning said die-carrier 20 to carry said crimpingdie-members 25 farther along on the cam-surfaces 18 01 the cam-ring 17thereby causing said diemembers 25 to move inwardly to the maximumdistance of their stroke whereby a deep crimp is formed in a tube aboutthe edges of a gromet inserted therein, in a manner to be subsequentlymore fully described. l/Vhen, however, a lighter or shorter crimpingstroke of the die-members is desired, said anti-friction roller is journaled in connection with said lever-arm 31 in a reversed position soas to ride upon or engage the cam-portion 35 which is of smaller throw,whereby the throw or movement or" the lever-arm 31 and die-carrier 20 isdecreased, and consequently the inward stroke of the die-members 25 isalso decreased so that a lighter crimping contact with the tube operatedupon will result, all of which will be evident from an inspection of theaccompanying drawings. Said lever arms and their anti-friction rollersare maintained in proper operative contact with the cam-members by meansof a coil-spring 36 which is secured by one end to an eye-piece 37formed on said lever-arm 31, and by its other end to an anchor-arm 38suitably secured to the base-plates 8 of the respective die-heads.

The cam-member operating the lever-arm associated with the left die-head6 is keyed to said driving-shaft 4 in a fixed position thereon, butwhile the cam-member operating the lever-arm associated with the rightdie-head 7, is secured with key so as to turn with said driving shaft,the said key is slidably associated with a longitudinal spline or groove39 in said driving-shaft 4, so that said cam-member may follow saidright die-head 7 when the latter is moved longitudinally upon the baseor frame-work for adjustment purposes. In order to assure the properoperatively related position of said cam-member with said right die-head7, the former is provided in its hub with an annular groove 40 which isengaged by a keeper-plate 41, the latter being suitably secured to someportion of said right diehead 7..

Said die-carrier 20 and its hub-portion 21 is provided with a centrallydisposed longitudinal opening 42 in which is slidably arranged agromet-inserting plunger 43. The said plunger 43 is provided at itsinner end with a receiving socket 44, having arranged at one sidethereof a key 45. Inserted in said receiving socket 44 is the shankportion 46 of a plunger-head 47, said shank-portion 46 having at oneside a groove or spline 48 in which said key enters, thereby preventingsaid plunger-head 47 from turning. Extending outwardly from saidplungerhead 47 is a center-pin 49. The said shankportion of saidplunger-head is further provided with an internally screw-threadedopening 50 in its rear end adapted to receive the screw-threaded shank51 of a locking rod 52, which extends longitudinally through an openingin said plunger 43. The outwardly projecting free end of said rod 52 isprovided with a finger-grip 53 for turning the same to engage thescrewthreaded shank 51 with said opening 50, thereby locking saidplunger head in operative relation to the plunger, in a manner clearlyto be understood from an inspection of Fig. 6 of the accompanying drawings. The rearwardly projecting free end of said plunger 43 isscrew-threaded to receive a push-block 54, which is thus adjustablyconnected therewith, the said pushblock 54 being locked in its adjustedposition by means of a lock-nut 55, or any other suitable holding means.

Extending upwardly from the base-plate 8 of each die-head is a post 56,which supports a vertical stud or journal 57. Pivotally mounted uponsaid stud or journal is a lever-member 58, one end of which isbifurcated to form engaging arms 59 adapt ed to enter and be operativelyassociated with the receiving recesses or grooves 60 with which theupper and lower sides of said push-block 54 is provided. The other endof said lever-member 58 is provided with an anti-friction roller 61which rides in contact with a lateral cam-portion 62 with which saidcam-members 33 are each provided. Said lever-member is controlled so asto maintain said anti-friction roller 61 in riding contact with saidcamportion 62 by means of a coil-spring 63, which encircles the upperend of said journal or stud 52". One end of said spring 63 engages aneyepiece 64 formed on the hub of said levermember, and the other end ofsaid sprin is anchored in a cross-cut or groove in the upper end of saidjournal or stud 5T. Said lever-member, as operated by said cam-portion62, tends to move said plunger inward, causing the same to perform thegromet inserting operation, as will be subsequently described. Thereturn movement of said plunger is aided by a coil-spring 66, whichencircles said plunger 43 within an enlarged recess 67 at the rear endof the hul portion 21 of said die-carrier 20, said coilspring 66 beingadapted to push against said push-block 54 to effect the rearwardmovement of said plunger 43, and coilspring 66 bein auxiliary to thelever-member coil-spring 63 above described.

is will be apparent from an inspection of the drawings the rightdie-head 7 may be moved longitudinally upon said frame-work or base 1 toadjust the intervening distance between the same and the left die-head6, so that the operation of the diehead mechanisms may be effected upondifferent lengths of tubes. In addition to this general adjustingmovement of said die-head 7, the same is also capable of a controlledlimited longitudinal movement efiected by the fol-v lowing means in thefollowing manner, and for the subsequently described purposes. The saidmeans comprises an anchor-block 68 which is clamped in a fixed positionupon said frame-work or base 1 by means of the keeper-plate 69 and bolt70. Extending outwardly from one side of said anchor-block 68 is a stud71f Extending transversely through said die-head 7, so as tobe journaledin the lower part thereof, is a transverse shaft 72, the same beingprovided at one end with a hand-lever 73 for oscillating said shaft. Theother end of said shaft 72 is provided with a crank-arm 74 provided witha stud 75. Said stud 75 of said crankarm, and said stud 71 of saidanchor-block 68, are operatively connected together by means of aconnecting-link 76. Connected with the base 8 of said die-head 7 is anad justable gage-stop 77. By oscillating said shaft 72 in one directionits crank-arm 74. serves to move rearwardly away from said fixedanchor-block 68 said die-head 7, and thereby tends to separate saiddie-head 7 from its normal operative position with re lation tosaiddie-head 6. When in such a position the adjustable gage-stop 77 isdistancedfrom the forward edge of the base 8 of said die-head 6sufficiently to equal the length of the tube to be operated upon. Inother words the distance between the gagestop and the base 8 of thedie-head 6 is equal to the distance between the stop-projections of thedie-members 25 of the respective dieheads when the same are moved intooperative relation with the respective ends of the tube to be operatedupon. If'the fixed position of the anchor-block 68, and the die head 7as controlled thereby, is not such as to permit the distance between thegage-stop and base 8 of the die-head 6 to equal the length of the tube,then the anchor-block 68 and die-head 7 must be shifted upon theframe-work or base to such position as will fulfil this condition. Itwill thus be seen that the real purpose of said gage-stop is to serve asa guide for properly adjusting the intervening distance between therespective die-heads in accordance with the length of tube to beoperated upon. Once this adjust ment is effected a succession of tubesof corresponding length may be operated upon. The tube is inserted byone end within the die-head (3, and the other end of the tube is held inregistration with the opening of the die-head 7, and then by oscillatingthe handlever 7 3 in the opposite direction, the crank arm of the shaft7 2 is turned in such a manner as to draw said die-head 7 toward theanchor-block 68, and toward the die-head 6, whereby the other end of thetube is caused to entersaid die-head 7 ,so that said'tube endsrespectively engage the stop-projections of the die-members 25 oftherespective die-heads, and the machine is ready for operation. Fig. 5of the accompanying drawings. It is desirable that the driving-shaft tshould make but one revolution at a time, since that one revolution willrotate the operating cam-members connected therewith once, which issufficient to operate the single crimping stroke of the die-members 25.To this end there is provided a means for starting the rotation of theshaftand automatically stopping the same at the end of a singlerevolution, so that the finished tube may be removed and another tubeand gromets therefor may be inserted 1n the dieheads. This meanscomprises a drlvmgpulley 78 which is loosely mounted on one end of saiddriving-shafts. Fixed upon said drivingshaft by means of pins 79, andlocated one on each side of the hub of said driving-pulley 78, are apair of collars 80. Journaled by its ends in said collars80, and

All of which is illustrated in in cut away portions of the shaft .tadapted to receive the same, is an oscillating-key 81. Said shaft 4 isalso provided in a suitable location with a transverse bore or. socket82 in which isslidably mounted a plunger 83, actuated by a coil-spring84c'which 'maintains said plunger 83 in contact with saidoscillating-key- 81, in such a manner as to tend to press saidoscillating-key 81' out-' ward and into engagement with one of a seriesof key-ways 85 with which the bore of said hub of the driving-pulleyisprovided.

Connected with one end of said oscillating the lower portion of saidframe-work or base 1 is a longitudinally extending rock-shaft 93provided with a foot-treadle attachment 94 for oscillating the same inone direction. Connected with said rock-shaft 93 is a lever 95, andconnecting said cam-plate '90 with the free end of said lever 95 is a.connectingrod 96, whereby themovement of said rock-- shaft and lever istransmitted to said camplate. Connected with said rock-shaft is anotherlever 97 to the free end of which is secured a coil-spring 98,- theother end of which is secured to a suitable anchor pointv 99 connectedwith said frame-work or base 1, said coil-spring tending to return saidrock-shaft, cam-plate and foot-treadle to normal initial position afteroperation.

The operation of the driving-shaft mechanism immediately above describedis as follows :-The operator presses downward with iis foot thefoot-treadle 94.- thereby oscillating tne rock-shaft 93 and the lever toswing the latter upward, and to move upwardly the cam-plate 90 throughthe medium of the connecting-rod 96. This upward. movement oi. thecam-plate carries its cam-projection 91 into contact with the stud orpin 89 of the bolt 87, and the inclined surface of St id cam-projectiontraveling along said pin or stud 89 causes the bolt 87 to be withdrawn.against the tension 01": its spring 88, from contact with said leverarm86 oil said oscillating-key 81. Said lever-arm being thus freed from theobstruction of said bolt against its outwardly swinging movement permitsthe spring 84 and plunger 83 to oscillate said oscillatingl-:e v 81, sothat as the driving-pulley '78, which is COIiStnIltlfF rotated by a beltor other power transmission device driven from the source of power,rotates one of its keyways 85 is presented in alinement with saidoscillating-hey 81, whereby the latter enters the former, and thusimmediately couples said d1 lug-shaft l in driven relation to saiddrivn'ig-pulley. The drivmg-shaft 4 now rotates and said lever-arm 86 ofthe oscillating-hey 81 travels around with it. in the meantime thecam-plate 90 has moved upxxard ar enough to carry away its camprojection91 from contact with the pin or stud of said bolt 8?, consequently thebolt 81' s impelled back to its normal position by its spring 88, saidnormal position being in the path of said lever-arm 86 of theoscilating-l is said lever-arm 86 rides around i. the driving-shafts: itis again rried into contact with said bolt 87 and he continued movementof the shaft 4 carthe lever-arm 86 along said bolt 87 in such a mannerthat said lever-arm is swun back to its normal position at the end o1one revolution of the shaft l, and consequently the oscillating-key 81is oscillated in an opposite direction which withdraws the same from thekey-way 85 of the drivingpulley TS. and the shaft again remainsstationary while the driving-pulley continues its rotation. in thismanner the operating cam-members connected with said drivingshaft aregiven but one operative rotation at a time. hen the operator removes hisfoot from the toot-treadle the coil-spring .98 returns the operatingmeans of said cam-plate 90 to normal initial position. consequentl idrawing downward again said cam-plate 90 to its normal initial position.As the said cam-plate 90 moves downwardly the opposite side of itscam-projection 01 engages said pin or stud 89, but

said bolt being in its outwardly thrust position and at the limit of itsoutward movement it causes the pin or stud 89 to remain immovable sothat the cam-projc tion 91 in riding past the same causes the cam-plate90 to yield laterally against the tension of the spring 92, so that thesame will pass the pin or stud and resume its normal. initial position.All of the above described operations will be clearly understood from aninspection of Figs. 11 to 14 inclusive of the accompanying drawings.

In order to assure a control of the monientum of the shaft 4 whendriven, so that the same may be more easily brought to rest aftercompleting its single revolution, there provided a momentum brakedevice, comprising pair of brake-jaws 104: which straddle said drivingshaft t, and the tail pieces 105 of which are supported by abracket-plate 100 preferably connected with some convenient portion or"the die-head 6. 3i bolt 107 which connects the two brakejaws togetherpasses downwardly between said bracket-plate 106 and the shaft i, thusserving to clamp the said brake-jaws in connection both with said.bracket-plate and shaft. and also serving to regulate the brakingpressure of said brake-jaws upon said shaft d. It will of course beunderstood that said bralrejaws may be fitted with any desirablearrangement, kind or construction of brake-shoes for immediatelycontacting with said shaft In the use of the machine a gromet G isplaced upon the center-pin 49 of the plunger-head 4:7 of each die-headin the manner shown in Fig. 6, and then a tube T is inserted by its endsin the respective die-heads and in engagement with the stop-projectionsof the crimping-die members 25. The machine is now ready for operation.The driving-shaft 4- is then rotated in the manner above described. -twill be noticed by inspecting Fig. 3 of the drawings that there i i 1step-up S in the cam-portions 34 and 85 ch gives a preliminary movementof the lever-arms 31 which causes a slight-movement of the die-carrier20 and thereby causes the ends of the stop-projections of saiddiemembers 25 to close down upon the perimeter of the gromet G to centerthe same in the manner shown in Fig. 8 of the drawings. This movementtakes place before the lateral cam portion 62 of the cam-members beginsto act upon the plunger operating levermember 58. The next operationoccurring during the rotation of said cam-members is the operation ofsaid plunger operating lever-member 58 to push upwardly said lunger andplunger-head 17 to insert said gromets within the ends of the tube, andproperly registered with relation to the crimping-points of thedie-members 25, as shown in Fig. 9 0]": the drawings. This op- 1U. saiddie-members into completed operating eration completed the end ofthelateral camportion' 62 is'reached and passed so that the lever-member 58is permitted to return to normal position, and said plunger andplunger-head is withdrawn leaving the gromets in place within the tubeends.

them to their complete limit of movement whereby the-die-oarrier isoscillated to carry contact with said cam-ring 17, whereby the formerare caused to make their crimping stroke, and are thereby pressedagainst the exterior sides of the tube T so that their "crimping pointswill crimp or otherwise form the pressed in portions of the tube bodyoneach side of.-the gromet, whereby the latter is securely and rigidlyfastened within the tube end. Subsequently the shaft 4 completes itsrevolution and all parts of or indented, or; in other desirable forms.

The plunger-head 47 may also be modified to conform the same toperforated, blank, or

w notched gromets, according to desire. As many changes may be madeinfthe above descrlbed construction of my lnvene tion and its detailparts, and manyapparentlywidely different embodiments of my inventioncould be made without departing from the scope thereof, I intend thatall matter contained in the above description or shown in theaccompanying drawings shall be interpreted as-.illustrative and not inalimiting sense. I desire it also to be understood that the language usedin the following claims is intended to cover all generic and specificfeaturesof the invention herein described and all statements of thescope of the. invention, which, as a matter of language, might be saidto fall therebetween. Hence, I, do not limit my presentinvention to theexact arrangements and combinations of the devices and parts asdescribed in the said specification, nor do I confine myself to theexact details of the construction of the ing drawlngs. r

I claim Y 1. In a device of the class described, a diesaid parts, asillustrated in the ac ompanyhead, a cam-ring in said die-head, adie-car- Now the main portion of the cam-portions 34 or 35V operate uponthe lever-arms 31 to move rier rotatably mounted in said die-head, aseries of crimpingdie-members carried by said die-carrier in operativeengagement with said'cam-ring, means for operating said die-carrier, aplunger mechanism associated with saiddie-carrier and die-head forinserting a gromet in a tube, means on the end of said plungeroforsupporting a gromet in operative relation thereto, and means for operating said plunger mechanism.

In a device of the'class described, a die head, a fixed cam-ring in saiddie head, said cam-ring having a series of camsurfaces, a? die-carriermounted to oscillate 1n saiddlehead, a series of crimping die-membersslidably mounted upon said die-carrier and disposed radially to the axisof said die-carrier and the tube to be operated upon, the outer ends ofsaid die-members being slide ably related to the cam-surfaces of saidcam= rings, spring-means carried by said di-carrier and associated withsaid die-members to maintain'said die-members in operative contact withsaid cam-ring means for oscillating said die-carrier, aplLmger-mechanism associated with said die-carrier and diehead forinserting grometsin tube, and

means for operating said plunger.

Q O. I pair of opposltely facing die-heads, a camrmg 1n eachd1ehead, adie-carrier rotatably mounted in each die-head, a series of crimp-j mgdie-members carried by said "tile-02111161 In a device of the classdescribed, 'a

in operative engagement with said camring, a lever-arm connected witheach diecarr1er,a drlvmg shaft, cam-members provided withcircumferential cam-portions mounted on said driVingTshaft 'andoperamechanism associated with each of said diecarriers' and die-headsfor inserting gromets in a tube, and'meansfor operating said plungermechanism. Y

etIIna device of the class described, a

die-head, a crimping mechanism mounted in said die-head, a drivingshaft, a camtively'en'gaging said lever arms, a plunger. 1

member provided .with a circumferential cam-portion mounted on saiddriving-shaft adapted to operate said crn'npmg die-mechanism, aplungermechanism associated with said die-head for inserting gromets ina tube, and means foroperating said plunger mechanism, comprising apivotally mounted lever-member one end 'ofwli'ich' is operativelyconnected with said plunger-mechanism, and a lateralcam-portionconnected with said cam-member of said driving-shaft andadapted to operatively engage the other end of said lever-member tooscillate 'the same whereby said plungerqnechanism is'reciprocated; 1 VV V 5. In a device of the class described, a

' die-head, a crimping die mechanism mount-- ed in said die-head, adriving shaft, trans mlsslon mechanism between said driving shaft andsaid crimping die-mechanism for operating the latter, means forinserting a gromet in a tube, and means for automatically limiting thedriven rotation of said driving shaft to one revolution at a time.

6. In a device of the class described, a framework, a pair of oppositelyfacing dieheads, one of said die-heads being secured to said frame-workin a fixed position, the other of said die-heads being adjustable uponsaid frame-work with reference to its distance from said fixed die-head,means connected with said adjustable die-head for imparting thereto alimited backward and forward movement after the same has been secured inits primarily adjusted position, a crimping die mechanism in eachdiehead, a driving shaft, and transmission mechanism between saiddriving shaft and each crimping die-mechanism for operating the latter.

7. In a device of the class described, adiehead, a fixed cam-ring insaid die-head, said cam-ring having a series of cam-surfaces, adie-carrier mounted to oscillate in said die-head, a series of crimpingdie-members slidably mounted upon said die-carrier and disposed radiallyto the axis of said die-carrier and the tube to be operated upon, theouter ends of said die-members being slidably related to thecam-surfaces of said cam-ring, spring means carried by said diecarrierand associated with said die-members to maintain said die-members inoperative contact with said cam-ring, the converging ends of saiddie-members having crimping points and being further provided withstop-projections to the rear of said crimping points adapted to engagethe tube to be operated upon to position its end with relation to saidcrimping points, means for oscillating said die-carrier, and meansassociated with said die-carrier and die-head for inserting a grometwithin the tube end in proper position relative to said crimping pointsof said die-members.

8. In a device of the class described, a die-head, a crimping diemechanism in said die-head, means associated with said diehead and itscrimping die mechanism for inserting a gromet within the tube and inproper position relative to said crimping die mechanism, said meanscomprising a centrally longitudinally extending plunger, a plunger-headconnected with the inner end of said plunger, means for locking saidplunger-head in place, means connected with said plunger-head forsupporting a gromet, and means for reciprocating said plunger to insertsaid gromet in the tube before the operation of said crimping diemechanism.

9. In a device of the kind described, a die-head, a fixed cam-ring insaid die-head, said cam-ring having a series of cam-surfaces, adie-carrier mounted to oscillate in said die-head, a series of crimpingdiemembers slidably mounted u on said diecarrier and disposed radiallyto the axis of said die-carrier and the tube to be operated upon, theouter ends of said die-members being slidably related to the cam-surfaceof said cam-ring, spring means carried by said die-carrier andassociated with said diemembers to maintain said die-members inoperative contact with said cam-ring, the converging ends of saiddie-members having crimping-points and being further provided withstop-projections to the rear of said crimping points adapted to engagethe tube to be operated upon to position its end with relation to saidcrimping-points, a lever-arm connected with said die-carrier, adrivingshaft, a cammember provided with a circumferential cam-portionmounted on said driving shaft and operatively engaging said lever-arm,and means associated with said die-carrier and die-head for inserting agromet within the tube end in proper position relative to saidcrimping-points of said die-members.

10. In a device of the kind described, a die-head, a fixed cam ring insaid die-head, said cam-ring having a series of cam-surfaces, adie-carrier mounted to oscillate in said die-head, a series of crimpingdiemembers slidably mounted upon said diecarrier and disposed radiallyto the axis of said die-carrier and the tube to be operated upon, theouter ends of said die-members being slidably related to thecam-surfaces of said cam-ring, spring means carried by said die-carrierand associated with said diemembers to maintain said. diemembers inoperative contact with said cam-ring, the converging ends of saiddie-members having crimping-points, and being further provided withstop-projections to the rear of said crimping points adapted to engagethe tube to operated upon to position its end with relation to saidcrimping-points, a lever-arm connected with said die-carrier, adrivingshaft, a cam-member provided with a circumferential cam-portionmounted on said driving-shaft and operatively engaging said lever-arm,means associated with said die carrier and die-head for inserting agromet within the tube end in proper position relative to said crimpingpoints of said die members, and means for automatically limiting thedriven rotation of said driving shaft to one revolution at time.

11. In a device of the class described, a die-head, a fixed cam-ringtherein, a the carrier rotatably associated with said diehead, a seriesof crimping-die-members carried by said die-carrier in operative engagement with said cam-ring, said die-members being radially disposed uponsaid die-carrier and capable of a converging movement to ward the axisof said die-carrier and a tube ried by said die-carrier in operativeengagement with said cam-ring, said die-members being radially disposedupon said die-carrier and capable of a converging movement toward theaxis of said die-carrier and a tube to be operated upon, a centrallydisposed longitudinally, extending plunger slidably connected with saiddiecarrier, a

plunger-head connected with the inner end of said plunger, meansconnected with said plunger-head for supporting a groniet, means foroscillating said die-carrier to cause the crimping operation of saiddiemembers, and means for reciprocatingsaid plunger in advance of thecrimping operation of said'die-members.

18. In a device of the class described, a dierhead, a fixed cam-ringtherein, a die.-

earrier rotatably associated with said die head, a series of crimpingdie-members carried by said die-head in operative engagement with saidcamring, said die-members being radially disposedupon said die-carrierand capable of a converging movement toward the axis of said die-carrierand a tube to be operated upon, a centrally disposed longitudinallyextending plunger slidably connected with said die-carrier, aplungerhead connected with the inner end of said plunger, meansconnected with said plunger head for supporting a gromet, a lever-armconnected with sa-id die carrier, a driidngshaft, a cam-member mountedon said shaft adapted to operatively engage the free end of saidlever-arm, and means for reciproeating said plunger in advance oi thecrimping operation of said die-members.

14,-. In a device of the class described, a

die-head, a fixed cam-ring therein, a die-carrier rotatably associatedwith said die-head, a series of crimping die-members carried by saiddie-head in operative engagement with said cam-ring, said die-membersbeing radi ally disposed upon said die-carrier and capable of aconverging movement toward the axis of said die-carrier and a tube to beop-s erated upon, a centrally disposed longitudinally extending plungerslidably connected with said die-carrier, a plunger-head connected withthe inner end of said plunger, means connected with said plunger-headfor supporting a groniet, a lever arm connected with said die-carrier, adriving-shaft, a cammember mounted on said shaft adaptedto operativelyengage the free end of said leverarm, and means for rec1procat1ngsa1dplunger in advance of the crimping operation of said die-members, andmeans for automat- V ically limiting the driven rotation of said drving-shaft to one iGVOlLItlOIl at a time. '15. In a device of the classdescribed, a

die-head, a fixed cam-"ring therein, a die carrier rotatably associatedwith said diehead, a series of crimping die-members carried by saiddie-heads in operative engagementwith said cam-ring, said die-membersbeing radiall'yvdisposed' upon said die-carrier'and capable of aconvergingmovement toward'theaxis of said die-carrier and a tube to beoperated upon, acentrally disposed longitudinally extending plungerslidably connected with said die-carrier,a plunr ger-head vconnected'with the inner end of said plunger, means connected with saidplunger-head for supporting a groinet, alever-arm connected with saiddie-carrier, a driving-shaft, a cam-member provided with acircumferential cam-portion adapted to operatively engage the free endo'f said leverarm, a pivoted le'vermem'ber, one end of said pivotedlevermember being opera tively connected with said plunger, and alateral cam-portion connected with said canimember oi said driving-shaftadapted to operatively engage the oppositeend of said lever-member, saidlateral cam-portion of i said cam-memberbeing so positioned withrelation to said circumferentialcam-portion of said cam-member thatthe-former oper ates in advance of the latter. y H

' 16. In a device ofthe' class' described, a

die-head, a fixedcam-ring therein, a die-canrie'r rotatably associated"with said die-head, a series of crimping die-members carried by saiddie-head in operative engagement with said cam-ring, said die -membersbeing radially disposed upon said die-carrier and capable of aconverging movement'toward thefaxis of said die-carrier and a tube to beoperated upon, a centrally disposed longi-I tudinally extending plungerslidably connected'with said die-carrier, a plunger-head eonnected'withthe inner end of said plun ger, means connected with said plunger-headfor su aortin a romet a lever-arm connected with said die-carrier, adriving-shaft, a cam -member QFOVldGClWltlL a circumferentialcam-portion adapted to operatively engage the free end of saidlever-arm, a piv- 1L oted lever-member, one end of said'pivoted' iielever-member being operatively connected with said plunger, a lateralcam-portion connected with said cam-member of said driving-shaft adaptedto operatively engage the opposite end'of saidlever-member, said lateralCam -portion of said cammember be" ing sopositioned with relation tosaid circumferential camportion of said cam-member vthat the formeroperates in advanceof the latter, and means for automatically limitingthe driven rotation of said drivingshaftto one revolution at a time.

17.In a device of the kind described, a frame-work, a pair of oppositelyfacing dieheads, one of said die-heads being secured to said frame-workin a fixed position, the other of said die-heads being adjustable uponsaid frame-work with reference to its distance from the said fixeddiehead, means connected with said adjustable die-head for impartingthereto a limited backward and forward movement after the same has beensecured in its primarily adjusted position, a gromet inserting mechanismconnected with each die-head, a tube crimping mechanism connected witheach die-head, and power transmission mechanism for operating both saidgromet inserting mechanism and said tube crimping mechanism.

18. In a device of the kind described, a frame-work, a pair ofoppositely facing dieheads, one of said die-heads being secured to saidframework in a fixed position, the other of said die-heads beingadjustable upon said frame-work with reference to its distance from saidfixed die-head, means connected with said adjustable die-head forimparting thereto a limited backward and forward movement after the samehas been secured in its primarily adjusted position, a gromet insertingmechanism connected with each die-head, a tube crimping mechanismconnected with each die-head, a drivingshaft, cam-members mounted uponsaid driving-shaft, said cam-members each being provided with acircumferential cam-portion and a lateral cam-portion, operating meansconnected with said tube crimping mecha nism adapted to be operativelyengaged by said circumferential cam-portions, and operating meansconnected with said gromet inserting mechanism adapted to be operativelyengaged by said lateral cam-portion.

19. In a device of the kind described, a frame-work, a pair ofoppositely facing dieheads, one of said die-heads being secured to saidframe-work in a fixed position, the other of said die-heads beingadjustable upon said frame-work with reference to its distance from saidfixed die-head, means connected with said adjustable die-head forimparting thereto a limited backward and forward movement after the samehas been secured in its primarily adjusted position, a gromet insertingmechanism connected with each die-head, a tube crimping mechanismconnected with each die-head, a drivingshaft, cam-members mounted uponsaid driving-shaft, said cam-members each being provided with acircumferential cam-portion and a lateral cam-portion, operating meansconnected with said tube crimping mechanism adapted to be operativelyengaged by said circumferential cam-portions,

and operating means connected with said gromet inserting mechanismadapted to be operatively engaged by said lateral camportion, saidlateral cam-portion being so positioned with relation to saidcircumferential cam-portion that the former operates said grometinserting mechanism in advance of the operation of said tube-crimpingmechanism by the latter.

20. In a device of the kind described, a frame-work, a pair ofoppositely facing dieheads, one of said die-heads being secured to saidframe-work in a fixed position, the other of said die-heads beingadjustable upon said frame-work with reference to its distance from saidfixed die-head, means connected with said adjustable die-head forimparting thereto a limited backward and forward movement after the samehas been secured in its primarily adjusted position, a gromet insertingmechanism connected with each die-head, a tube crimping mechanismconnected with each diehead, a drivingshaft, cam-members mounted uponsaid driving-shaft, said cam-members each being provided with acircumferential cam-portion and a lateral cam-portion, operating meansconnected with said tube crimping mechanism adapted to be operativelyengaged by said circumferential cam-portions, and operating meansconnected with said gromet inserting mechanism adapted to be operativelyengaged by said lateral cam-portion, said lateral cam-portion being sopositioned with relation to said circumferential cam-portion that theformer operates said gromet inserting mechanism in advance of theoperation of said tube-crimping mechanism by the latter, and means forautomatically limiting the driven rotation of said driving shaft to onerevolution at a time.

21. In a device of the kind described, a frame-work, a pair ofoppositely facing dieheads, one of said die-heads being secured to saidframe-work in a fixed position, the other of said die-heads beingadjustable upon said frame-work with reference to its distance from saidfixed die-head, means connected with said adjustable die-head forimparting thereto a limited backward and forward movement after the samehas been secured in its primarily adjusted position, a gromet insertingmechanism connected with each diehead, a tube crimping mechanismconnected with each die-head, a drivingshaft, a cam-member mounted uponsaid driving-shaft, said cam-members each being provided with acircumferential cam-por tion and a lateral cam-portion, operating meansconnected with said tube crimping mechanism adapted to be operativelyengaged by said circumferential cam-portions, and operating meansconnected with said gromet inserting mechanism adapted to be operativelyengaged by said lateral camportion, said lateral cam-portion being sopositioned with relation to said circumferential cam-portion that theformer operates said gromet inserting mechanism in advance of theoperation of said tube-crimping mechanism by the latter, and means forautomatically limiting the driven rotation of said driving shaft to onerevolution at a time. 1

22. In a device of they class described, a die-head, a crimping diemechanism mounted in said die-head, a driving'shaft, transmissaidleverwhereby when the latter engages the former it will oscillate saidoscillatingkey to withdraw the same from said keywayof saiddriving-pulley, a cam-plate adapted to withdraw said stop-bolt, afoottreadle means connected with said cam-plate for operating saidcam-plate, and a friction Copies of this patent may be obtained forbrake means adapted toiovercome the ino' f mentum of said driving-shaft.a;

23. In a device of the kind described,a frame-work, a pair of oppositelyfacing dieheads, one of said die-heads being secured to said frame-workin a fixed positionf-the' other of said die-heads being adjustable uponsaid frame-work with'reference to its distance from said fixed die-head,and means connected with said adjustable die-head forv imparting theretoa limited backward and forward movement after the same-has been securedin its primarily adjustedposition,

comprising an anchor-block adj'ustably related to'said frame-work, meansfor lockingv saidranchor-block in its adjusted position, av studprojecting from one side of said anchor-block, a transverse shaftmounted in* said movable die-head, a hand-lever,r-:con'"-'x nected withone-end of said shaft,- a CI'EIIlkr arm connected with the other end ofsaid shaft, a stud connected with said crank-arm,

and an inter-connecting link-member pivot-- ally connected by itsrespective ends to said 7 anchor-block stud and to said crank-arm stud.

- In testimony, that I claim the invention;- set forth above I havehereunto set my hand this 6th day of'November,'1918.

JOHN C. BLEVN'EY;

Witnesses: I

GEORGE D. RICHARDS, V V FREDK N. W. F RAENTZEL.

five cents each, by addressing the Commissioner of Patents, Washington,D. C.

